How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This science fair project idea explores whether talking to a plant will help it grow.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

In this fun activity, your child will create their very own solar oven to bake s'mores!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.